<t>function SPaths=GenPaths(S0,mu,sigma,T,NSteps,NRepl)dt = T/NSteps;nudt = (mu-0.5*sigma^2)*dt;sidt = sigma*sqrt(dt);RandMat = randn(round(NRepl/2), NSteps);Increments = [nudt + sidt*RandMat ; nudt - sidt*RandMat];LogPaths = cumsum([log(S0)*ones(NRepl,1) , Increments] , 2);SPaths = exp(LogPaths);an...